{% assign modified_posts = site.posts | where_exp: "post", "post.last_modified_at != post.date" %} {% assign unmodified_posts = site.posts | where_exp: "post", "post.last_modified_at == post.date" %}
  <!-- Sort modified posts by last_modified_at in descending order -->
  {% assign sorted_modified_posts = modified_posts | sort: 'last_modified_at' | reverse %}
  
  <!-- Sort unmodified posts by date in descending order -->
  {% assign sorted_unmodified_posts = unmodified_posts | sort: 'date' | reverse %}
  
  <!-- Concatenate the two sorted lists -->
  {% assign all_sorted_posts = sorted_modified_posts | concat: sorted_unmodified_posts %}
  
  <!-- Loop through all sorted posts and display them -->
  {% for post in all_sorted_posts %}
    <article>
      <time datetime="{{ post.date | date: '%Y-%m-%d' }}" class="post-date">
      <img src="https://raw.githubusercontent.com/marioseixas/marioseixas.github.io/main/assets/gold.ico" alt="favicon">
      {{ post.date | date: '%Y-%m-%d' }}
      {% if post.last_modified_at != post.date %}
          &rightarrowtail;
          {{ post.last_modified_at | date_to_string }}
          {% else %}
          &rightarrowtail;
          {{ post.date | date_to_string }}
          {% endif %}
          <h3 class="search-link">
          <a href="{{ post.url }}">
          {{ post.title }}
          </a>
          </h3>
          </time>
    </article>
  {% endfor %}
</section>